.gg-math-plus,
.gg-math-plus::after {
    display: block;
    box-sizing: border-box;
    background: currentColor;
    border-radius: 10px
}

.gg-math-plus {
    margin-top: -2px;
    position: relative;
    transform: scale(var(--ggs,1));
    width: 16px;
    height: 2px
}

.gg-math-plus::after {
    content: "";
    position: absolute;
    width: 2px;
    height: 16px;
    top: -7px;
    left: 7px
}